Home / 30,505.44-42,097.19-17,076.81

Finding the Fourth Proportional to 30,505.44, 42,097.19 and 17,076.81

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Solution

The fourth proportional to 30,505.44, 42,097.19 and 17,076.81 is: 23,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.44 : 42,097.19 = 17,076.81 : x
  2. Step 2: Convert to fraction form
    30,505.44/42,097.19 = 17,076.81/x
  3. Step 3: Cross multiply
    30,505.44x = 42,097.19 × 17,076.81
  4. Step 4: Simplify right side
    30,505.44x = 718,885,598.88
  5. Step 5: Solve for x
    x = 718,885,598.88/30,505.44
  6. Step 6: Final answer
    x = 23,565.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.